1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
//******************************************************************************
//
// File: Test02.java
// Package: edu.rit.pj.cluster.test
// Unit: Class edu.rit.pj.cluster.test.Test02
//
// This Java source file is copyright (C) 2009 by Alan Kaminsky. All rights
// reserved. For further information, contact the author, Alan Kaminsky, at
// ark@cs.rit.edu.
//
// This Java source file is part of the Parallel Java Library ("PJ"). PJ is free
// software; you can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// PJ is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
// A PARTICULAR PURPOSE. See the GNU General Public License for more details.
//
// Linking this library statically or dynamically with other modules is making a
// combined work based on this library. Thus, the terms and conditions of the
// GNU General Public License cover the whole combination.
//
// As a special exception, the copyright holders of this library give you
// permission to link this library with independent modules to produce an
// executable, regardless of the license terms of these independent modules, and
// to copy and distribute the resulting executable under terms of your choice,
// provided that you also meet, for each linked independent module, the terms
// and conditions of the license of that module. An independent module is a
// module which is not derived from or based on this library. If you modify this
// library, you may extend this exception to your version of the library, but
// you are not obligated to do so. If you do not wish to do so, delete this
// exception statement from your version.
//
// A copy of the GNU General Public License is provided in the file gpl.txt. You
// may also obtain a copy of the GNU General Public License on the World Wide
// Web at http://www.gnu.org/licenses/gpl.html.
//
//******************************************************************************
package edu.rit.pj.cluster.test;
import edu.rit.pj.Comm;
import edu.rit.pj.ParallelRegion;
import edu.rit.pj.ParallelTeam;
/**
* Class Test02 is a unit test main program for class {@linkplain
* edu.rit.pj.Comm}. The program runs on the number of nodes and with the number
* of processes specified. In each process, the program runs the number of
* threads specified. For further information about specifying the number of
* nodes, processes, and threads, see class {@linkplain edu.rit.pj.PJProperties
* PJProperties}. Each thread in each process prints out a "Hello, world"
* message and echoes the command line arguments.
* <P>
* Usage: java -Dpj.nn=<I>Kn</I> -Dpj.np=<I>Kp</I> -Dpj.nt=<I>Kt</I>
* edu.rit.pj.cluster.test.Test02 [ <I>args</I> ]
* <BR><I>Kn</I> = Number of nodes
* <BR><I>Kp</I> = Number of processes
* <BR><I>Kt</I> = Number of threads per process
*
* @author Alan Kaminsky
* @version 11-Mar-2009
*/
public class Test02
{
// Prevent construction.
private Test02()
{
}
// Global variables.
static Comm world;
static int size;
static int rank;
static int threadSize;
// Main program.
/**
* Main program.
*/
public static void main
(final String[] args)
throws Exception
{
Comm.init (args);
world = Comm.world();
size = world.size();
rank = world.rank();
threadSize = ParallelTeam.getDefaultThreadCount();
new ParallelTeam(threadSize).execute (new ParallelRegion()
{
public void run()
{
StringBuilder buf = new StringBuilder();
buf.append ("Hello, world from thread ");
buf.append (getThreadIndex());
buf.append (" of ");
buf.append (threadSize);
buf.append (", process ");
buf.append (rank);
buf.append (" of ");
buf.append (size);
buf.append ("!");
for (String arg : args)
{
buf.append (" ");
buf.append (arg);
}
System.out.println (buf);
}
});
}
}
|
